Apple scab is one of the most common apple and crabapple diseases that gardeners have to deal with. Apple scab is caused by the fungus Venturia inaequalis. It will attack any varieties of crabapple ...

With winter's cold days and colder nights keeping us company, an afternoon sitting in front of the fire appeals to me. Instead, I spend a couple of hours raking up the leaves, twigs and deadfall ...

Gardeners who plant apple trees are hopeful souls, putting in saplings as they dream of future pies, sauce and tarts. With each season of growth, we croon encouragement at the plant. To have an apple ...

More people than ever are gardening during the pandemic and you’re bound to have questions. Turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service.

Question: What is dormant spray? I was told to use it on my fruit trees, but I don’t know what it is. Thanks. Answer: Dormant sprays are sprays used on fruit trees during the winter, the dormant ...

CORVALLIS, Ore. – From newly minted gardeners to avid urban farmers, everyone with a patch of land wants to grow an apple tree. Other fruits – pears, cherries, figs, plums – are desirable, too, but ...

There are hundreds of choices when picking a crabapple tree from the nursery, but an expert says only a handful are resistant to a widespread fungus or other serious diseases. There are hundreds of ...

Question: I have an arborist that I consulted about my crabapple tree last year. The problem, which he said is common, must be prevented in the spring. My problem is that he wants to do three ...

Q. I know that flowering crabs are subject to injury from fire blight. My crab is resistant to apple scab disease, but it is looking pretty sick now having lost maybe 1/3rd of its leaves, so I am ...

We have a crab apple tree in our front yard that lost its leaves very early last year (in early July). The previous spring (2009), the tree was gorgeous, but then it lost its leaves very early that ...